| Intro | German serial killer from Cologne |
| Is |
Murderer Criminal Nurse Serial killer |
| From | Germany |
| Type |
Crime Healthcare |
| Gender | female |
| Birth | 1 January 1938, Cologne, Cologne Government Region, North Rhine-Westphalia, Germany |
| Age: | 82 years |
Marianne Nölle (born 1938) is a German serial killer from Cologne. She was sentenced to life imprisonment in 1993 for seven murders.
Crimes
Nölle was a nurse and between 1984 and 1992 killed patients in her care using Truxal. Police think she killed a total of 17 and attempted 18 other murders, but she was only convicted of seven. She has never confessed to her crimes.